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Patent no. 2022117, model 1, serial no. 404. Set up on a wood box, containing battery cell. This instrument was acquired and modified by Wilfred Mann (the accused “fifth man” of the Philby spy ring) when he was at Chalk River. Later it was used by Mann in the radiation dept. of the NBS. Designed by C.C. and T. Lauritsen. Mfg: Fred C. Hensen Co., Pasadena, CA.

ID number

ST-PH-36

Title

Geiger counters, small

Abstract

An assortment of Geiger counters used by Carl Anderson in his 7” cloud chamber.

ID number

ST-PH-30

Title

Geiger counter

Abstract

There is no information available for this item. Mfg: CIT Physics Shop.

ID number

ST-PH-29

Title

Galvanometer, DC moving coil, reflecting, type P

Abstract

Serial no. 208861. According to the Leeds and Northrup catalog ED 1936, this is a DC moving coil, reflecting galvanometer, type P. This design is for wall-mounting and could be used as part of a suggested laboratory lamp and scale device. Mfg: Leeds and Northrup Co., Philadelphia, PA.

ID number

ST-PH-27

Title

Aerial view of the campus

Abstract

Campus Aerial Views.

ID number

30.14-13

Title

Aerial view of the campus

Abstract

Campus Aerial Views.

ID number

30.14-14

Title

Student production

Abstract

L-R: Dick Allen, Ralph Jones and Leo Lavatelli. This photo was sent to Ralph Jones in 1960 by Harvey Eagelson. Non-Academic Activities.